Gas steam radiator



May 24, 1927. 1,630,107

G. W. BLACKMORE GAS STEAM RADIATOR Filed Nov. 26, 1926 2 Sheets-Sheet 1 May 24, 1921. 1,530,1 0?

G. W. BLACKMORE G45 STEAM RADIATOR Filed Nov. 26, 1926 2 Sheets-Sheet 2 INVENTOR Patented May 2 4, 1927.

UNITED STATES PATENT OFFICE.

GEORGE w. VIBLACKMORE, or nncn woo'n; PENNSYLVANIA, AssIGNoR To AUTOMATIC GAS STEAM RADIATOR COMPANY, or PITTSBURGH, PENNSYLVANIA, A CORPORA- IoN'or PENNSYLVANIA.

' GAS. STEAM RADIATOR.

Application filed November 26, 1926. Serial No. 150,746.

warming purposes, and more particularly to radiators of the type having a gas burner incorporated directly in the base thereof, 5 whereby a bodyjof water in the base of the radiator columns can be heated. Radiators of this type, as atpresentconstructed, are

- ordinarily. provided with a gas control valve which is operated by thesteam pressure in the radiator. This arrangement of the valve is such that when the steampressure reaches a predetermined amount, it will flex a diaphragm. The movement of this diaphrag mwill in turn-betransmi'tte'd to" a i second diaphragm which seats over the gas orifice" in the valve. 1

A:.s heretofore constructed, considerable difliculty has been encountered ,in these valves by reason of thetendency of the valve disks and the parts associated therewith to become corroded and prevent the free oper- V ation of the valve, and results in an actual breakingthrough of the valve disks. An-

, other difficulty which has been encountered is that the pilot through the valve, as heretofore constructed, has not been accessible for cleaning. Inasmuch as'there is an unavoid able tendency for carbon to accumulate in the valve and. in thepilot, it is necessary thatthe construction be such that the valve can be readily cleaned. According to the present invention, it is proposed to provide a valve wherein the cured in-the valve casing in such manner thatthey will not stick. It is also'proposed to provide-a construction wherein the valve, andparticularly the be readily cleaned. I Y a The invention may be readily understood by reference to. the accompanying drawings, in which: V i i a Figure 1; isa-perspective view of a portion of a gas steam radiator having my improved valve construction applied thereto;

Figure 2 is a transverse sectionthrough the valve; a v

Figure 3 is a front elevation of a spacing disk adapted to be disposed between the two valve disks; I 1 U Figure 4 is afront elevation of one of the washers against which the rims of the valve a disks bear; V

spaced apart disksare separated and se pilot in the valve, can V Figure 5 is a front elevation of one of the valve disks; and

Figure 6 1s a perspective view of a washer similar to that shown in Figure 3, but a 'sllghtly modified construction.

In the drawings, 2 designates generally a gas steamradiator having a combustion space 3 in the lower part thereof. The end section 40f the radiator isprovided with a filling extension 5",. this extension having a filling cap 6 thereon. Insidethecombustion space 3'is a burner, not shown, and 7 designates the mixer passage to the burner, while the mixer itself is designated 8. v

F orcontrolling the flow of gas into the mixer, there is provided a' valve. This valve, designated generally as 9, has a nipple portion 1 0 which screws into the lower part of the end section 4 of the radiator and which has a flange 11 thereon. Resting on the flange 11 is a washer 12, such as that shown in Figure 4. Set on the washer 12 is the flange 13 of an inner flexible dia phragm ordisk 14. On th'e outer face of the rim 13 is a second Washer 12 and resting against the second washer 12 is a third washer 15. The washer 15'is of the con struction shown in Figure 3, having the usual ring portion, and having an integral arm 16 extending into the center thereof. On the inner end of the radial arm 16 is a button 17. The button part of the arm has a thickness substantially equal to the thickness of the two washers l2 and 15. Clamped against the outer face of the washer 15 is a second diaphragm 14.

Bearing against the rimofthe outer diaphragm 14 is another washer 12,. and clamped against the face of this last Washer 12 is the flange portion 18 of a valvebody 9. The valve body 9, which is substantially conical, has a centrallyfthreaded recess 19, into which the gas supply, pipe is screwed. Inside the casing is an lnwardly projecting nozzle 21, havinga central open- 7 ing' therethrough. The end face 22'of the nozzle is smoothl ground off so that when it will press against the face of thenozzle and prevent gas from flowing out of the nozis an outlet connection 23, into which is r .the outer valve d1sk14 is'flexed outwardly, H

screwed a pipe 24-, having an elbow at its outer end. the other arm of the elbow is adapted to connect with the mixer 8. At the end of the pipe 2%, at the bend in the elbow, is a removible plug 26.

Screwed into the nozzle 21, directly in line with the axis of the pipe 24:, is a nipple 27, having an axial opening therethrough providing a restricted bypass or pilot for the valve.

By removing the plug 26, a special socket wrench can be inserted through the pipe 2-l to remove the pilot 2? to clean it. At the same time. suitable brushes can be inserted through the pipe 24- to clean out any carbon which may accumulate in the valve casing 9.

As heretofore coinstructet'l valves for this purpose, instead of having washers l2 and 15, have had a single metallic ring disposed between the two diaphragms, and this ring has been provided with an inwardly extending metal arm corresponding to the arm 16. At. the inner end of this arm was a slidable metal button. This button had a tendency to become corroded to the valve disks, and also to become corroded in the part into which it was slidably supported, so as to interfere with the operation of the valve.

According to the present invention, the washers 12 and 15 are made of suitably compressed fibre, such as asbestos. The integral arm 16 is, of course, also of fibre, and the button 17 is preferably of fibre. In the operation of the *alve, the steam pressure, pressing against the inner disk 14 urges it out, and this motion of the inner disk is transmitted through the button 17 to the outer disk, so that the outer disk is pressed against the nozzle. In the construction shown in the present invention the arm 16 will move or flex when pressure is transmitted from one disk to the other. In this way the provision of a slidable button, as heretofore used, is avoided. By reason of the button being of fibrous or non-metallic material, as compared with the metal button heretofore used, there is less wear on the valve disks, and it has been found by actual test that a valve embodying the present invention will very considerably outlast valves of this type as heretofore constructed. It has been found by actual test that a valve embodying the present invention will operate continuously without any attention whatever, whereas valves as heretofore constructed had to have. considerable attention after they had been in use for a period of time, usually about a year.

in the modification shown in Figure 6, the construction is generally similar to that shown in Figure 3, but the ring portion of the washer, designated 28, is of double thickness, whereas the radial arm 29, corresponding to the arm 16, is of single thickness, but the button portion is of double thickness. With this arrangement, one of the washers 12 can be eliminated. At the. same time the arm 29 will be suiiiciently flexible to permit. of the proper operation of the valve.

lhe various washers and valve disks and the valve easing are held in clamped relation with the flange 11 on the nipple 10, by means of bolts 31 and nuts The use of libre disks is of material advantage where the. parts are clamped in this manner, as a tight joint can be made between the metal disks and the tibre washers, and the metal flanges and the fibre washers without the use of any paint or cement compositions. -Where metal washers were used, paint or cement was necessary to make a tight joint, and care had to be taken that the metal washer did not cut the thin flexible disks.

\Vhile l have illustrated a i'n'cl'crre l embodiment of my invention, it. will be obvious that various changes and modilimt on may be made therein. and that the invention may be otherwise embodied within the scope of the following claims.

I claim:

1. A. pressure valve for radiators and the like, including a pair of flexible metal disks, a. separating washer between the disks, a flexible arm on the washer, a button on the arm of a thickness substantially equal to the spacing between the disks, and a supporting structure for the disks.

2. A pressure responsive valve for radiators and the like, comprising a valve body member having a flange thereon and having a gas inlet nozzle therein, a flanged nipple member for connection with a radiator, a pair of flexible disks interposed between the flanges of the two members. a spacing washer between the disks having an integral flexible arm thereon, said arm having a button thereon of a. thickness substa tially equal to the distance between the disks, one of the disks being movable upon the appli ation of pressure to the other disk against the said fuel inlet nozzle.

3. A pressure responsive valve for radi ators and the like, con'iprising a valve body member having a flange thereon and having a gas inlet nozzle therein. a flanged nipple member for connection with a radiator, a pair of flexible disks interposed between the. flanges of the two members, a spacing' washer between the disks having an integral flexible arm thereon. said arm having a button thereon of a thickness substantially equal to the distance between the disks, one o[' the disks being movable upon the application of pressure to the other disk against the said fuel inlet nozzle, said washer and arm being of fibrous material.

4:. A pressure responsive valve for radi ators and the like, comprising a valve body member having a flange thereon and having a gas inlet nozzle therein, a flanged nipple member for connection with a radiator, a

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pair of flexible disks interposed between the flanges of the two members, a spacing washer between the disks having an integral flexible arm thereon; said arm having a button thereon of a thickness substantially equal to the distance between the disks, one of the disks being movable upon the application of pressure to the other disk against the said fuel inlet nozzle, said washer and arm belng of fibrous material, said button also being integral with the arm and being of fibrous material 5. A pressure responsive valve for gas steam radiators and the like, including a flanged body member having a fuel inlet nozzle therein, a flanged nip le member, a pair of flexiblefdisks clampec between the two flanged members, a pair of washers interposed between the twoflexible disks, one of said washers having a radial arm extending toward the center thereof, said arm having a, button thereon whose thickness is substantially equal to the thickness of the two washvalve body member having a central nozzle therein, a valve disk for cooperation with the nozzle, a radially extending as outlet passage in the valve body, a pipe having an elbow at its outer end connected with the said 'as outlet passage, a removable plug in the elbow, and a removable pilot in the said nozzle in alignment with the said removable plug, the diameter of the removable plug be-, mg greater than that of the pilot to permit, removal of the latter through the former.

In testimony whereof I have hereunto set my hand.

'6. A pressure responsive valve for gas steam radlators and the like, lncludlng a,

GEORGE W. BLAoK oRn. I 

